Goncalves, M. Firewalls: A complete guide. Tata McGraw-Hill.
Čikaški stil citiranjaGoncalves, Marcus. Firewalls: A Complete Guide. New Delhi: Tata McGraw-Hill.
MLA način citiranjaGoncalves, Marcus. Firewalls: A Complete Guide. Tata McGraw-Hill.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.